What's the difference between underground and underwater?

Underground


Definition:

  • (n.) The place or space beneath the surface of the ground; subterranean space.
  • (a.) Being below the surface of the ground; as, an underground story or apartment.
  • (a.) Done or occurring out of sight; secret.
  • (adv.) Beneath the surface of the earth.

Example Sentences:

  • (1) He had links to networks including the Hammerskin Nation and was involved in an underground music scene often referred to as "white power music" or "hate rock".
  • (2) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
  • (3) While circulating the quarries is illegal – you risk a fine of up to €60 – neither the IGC nor the police seem to mind the veteran cataphiles who possess a good knowledge of the underground space, and who respect their heritage.
  • (4) The logistics of maintaining and supplying underground clinics located in war-torn rural Afghanistan are presented.
  • (5) German intelligence services had also been keeping tabs on the rightwing radical scene that Zschäpe was a part of, but had lost track of her, along with Mundlos and Böhnhardt when they went underground.
  • (6) In the still active mine workers, dynamic spirometry results showed no difference between smokers or nonsmokers or between underground and surface workers.
  • (7) That said, Turin’s creative scene is quite underground, so you have to seek out the best work.
  • (8) During the non-heating months of June, July and August of 1974, the total and respirable dust content at an underground station of the Newark City Subway System was determined.
  • (9) Part of the initial work has involved London Underground strengthening the structure of Temple tube station by the Thames so the north end of the bridge could sit on top of it.
  • (10) This may serve evidence for the absence of a common morphofunctional underground for this process.
  • (11) The adaptive value of sound signal characteristics for transmission in the underground tunnel ecotope was tested using tunnels of the solitary territorial subterranean mole rats.
  • (12) Excess risks of lung cancer were found in both underground workers (SMR 3.41; 95% CI 1.10-7.97; based on 5 deaths) and surface workers (SMR 1.87, 95% CI 1.18-2.81; based on 23 deaths).
  • (13) Chest X-ray and sputum cytology were used to detect lung cancer among subjects with an underground work history over 10 years and over 40 years of age.
  • (14) Anyone studying the question with an open mind will almost certainly come to a similar conclusion: if we and our children are to have a reasonable chance of living stable and secure lives 30 or so years from now, according to one recent study 80% of the known coal reserves will have to stay underground , along with half the gas and a third of the oil reserves.
  • (15) His initial exposure to leftist ideas was via the underground hippy press which provided him "with a certain amount of scepticism".
  • (16) For example, if the risk estimates from underground miners' studies are, in truth, not applicable to home exposures and overestimate the gradient of risk from home exposure to radon by, for example, a factor of 2, then enormously large numbers of subjects would be required to detect the difference.
  • (17) He hadn't seen his children very much even before he went to prison because he was always busy running around, hiding underground.
  • (18) Transport for London said a planned tube drivers' strike on the London Underground service on Boxing Day is unlikely to cause serious extra disruption should it go ahead, although works are planned on many lines.
  • (19) During Nicolas Sarkozy's unsuccessful 2012 re-election campaign she was mocked for not knowing the price of an underground train ticket (she said €4 instead of €1.70).
  • (20) It was concluded that the study did not provide support for the hypothesis that underground coalmining increases the risk of gastric cancer.

Underwater


Definition:

Example Sentences:

  • (1) Scientists and clinicians concerned with underwater vision have not considered the relationship between chromatic aberration, water color, and the refractive state of the eye.
  • (2) The implications for other professional divers and for recreational underwater divers who follow standard decompression protocols are reassuring.
  • (3) I don’t do the social media myself, so who knows.” The Pentagon said the drone, also described as a “glider” or unmanned underwater vehicle, was deployed by civilian contractors aboard the USNS Bowditch, a scientific research ship.
  • (4) Additional findings include directional dominance for Underwater Swimming and Audiogenic Reactivity, and significant sex differences for eight of the 14 factors.
  • (5) Each component of the bonding agent (Syntac: Ivoclar Vivadent) was labelled with a fluorescent dye, the unfilled resin being light cured for 30 s with the composite restoration placed in one increment and light cured for 40 s. The samples were longitudinally sectioned using a slow speed diamond saw underwater, either immediately or 24 h post placement.
  • (6) Another wonderful thing to do is to take a ferry from Tobermory to Fathom Five national marine park and swim to one of the many underwater wrecks.
  • (7) In a bid to strengthen its claims, China has constructed concrete installations on some underwater formations, complete with basketballs and helipads.
  • (8) Floodwater surrounds Sehwan on three sides; the town airport is still underwater.
  • (9) Search depths for MH370 4 October: It is revealed that the new underwater search involves ships dragging sonar devices called towfish through the water at about 100 metres above the seabed to hunt for wreckage.
  • (10) The poor are often the people deeply rooted in place, whether they’re fisherfolk in the Mekong Delta (due to go underwater from rising seas) or farmers in desertifying Africa or India, where a horrific heatwave and drought killed at least 300 last month and left 330 million without enough water.
  • (11) Each subject was measured for height, weight, triceps and subscapular fatfolds, and body density by underwater weighing (UWW).
  • (12) The results demonstrated that divers are able to discriminate among signals emanating from acoustic sources at various distances underwater and to do so at levels well above chance.
  • (13) The results stress the importance of divers' monitoring during their underwater activity and the necessity of improving their physical training.
  • (14) It is very short time since underwater shock wave has been initially applied to human body.
  • (15) Acoustic tomography in many instances yields blurred images precluding its efficient use for mapping underwater objects in oceanic waveguides.
  • (16) The body fat content of lean and obese women was measured by six different methods: underwater weighing, the current "standard"; body water dilution; whole-body counting; skinfold measurements; bioelectrical impedance; and magnetic resonance imaging.
  • (17) Investigators grappling to solve the mystery of the jet's disappearance are set to scour a zone 1,100 miles (1,800km) west of Perth – previously subject to an aerial search – when an underwater probe resumes in August, the West Australian newspaper said.
  • (18) There was an early water loss of about 1 kg, probably due to mobilization of glycogen stores, and a subsequent fat loss of about 4 kg (as estimated from readings of skinfold thickness and confirmed by underwater weighing).
  • (19) The underwater seal is allowed to intermittently "bubble," thereby permitting partial gastric decompression.
  • (20) BP, which has released the first underwater footage of the spill , told the City this morning that the cost of dealing with it had now hit $450m.